Net Price from Gross
US: CA 7.25–10.25% · TX 6.25–8.25% · NY 4–8.875% · FL 6–7.5% · UK/EU VAT often 20%
Free Online VAT Calculator & Sales Tax Tool
This is a 100% free online VAT calculator and US sales tax calculator. No signup, no ads that block the tool, no limits. Use it to calculate net price from gross, add sales tax, or remove VAT from a total. Works for California, Texas, New York, Florida and any custom rate — including standard EU/UK 20% VAT.
How a VAT Calculator Calculates (Formulas)
An online VAT calculator uses two main formulas depending on whether the price already includes tax:
Example: $108.25 ÷ 1.0825 = $100.00 net (8.25% tax)
Example: $100 × 1.0825 = $108.25 gross
The free online VAT calculator on this page applies these formulas instantly as you type. You can also use the built-in calculator for any other math.
How Companies Create Invoices with VAT / Sales Tax
When a business issues an invoice, it typically shows three lines:
- Net (or subtotal) — the price before tax
- VAT / Sales Tax — calculated as Net × Rate
- Gross (or total) — Net + Tax, the amount the customer pays
Example invoice line:
Sales tax 8.25% $16.50
Total due $216.50
Accounting software and e-commerce platforms (Shopify, Amazon, QuickBooks, Xero) use the same formulas as this free online VAT calculator. The seller collects the tax and later remits it to the state or tax authority. Buyers who can reclaim VAT (B2B in many countries) need the net amount clearly shown — that is why separating net, tax and gross matters.
How to Use This Free Online VAT Calculator
- • Net Price tab — Enter a gross (tax-included) amount and rate. Instantly see net and tax.
- • Add Tax tab — Enter a net amount and rate. See the tax to add and the final gross.
- • Calculator tab — Full modern calculator with √, x², 1/x, memory (M+/MR), keyboard support.
- • Preset rates for common US states; type any custom rate (including 20% for many VAT countries).
Popular US Sales Tax Rates (Reference)
- • California: 7.25% state + local (often 8.5–10.25%)
- • Texas: 6.25% state + local up to 8.25%
- • New York: 4% state + local (NYC ~8.875%)
- • Florida: 6% state + local up to ~7.5%
- • Illinois: 6.25% state + local
Always confirm the exact combined rate for your city/county. This free online VAT calculator accepts any custom percentage.
Free Online VAT Calculator · Sales Tax Calculator USA · Net Price Tool
Calculate net from gross, add or remove sales tax / VAT. Learn how businesses build tax into invoices. 100% free, no registration, mobile-friendly. Keywords: free online VAT calculator, online VAT calculator, free sales tax calculator, how to calculate VAT.